AirHint found the following cheapest return flights from Okinawa (OKA) to Singapore (SIN) in September 2025 (see full year).

Return flights

01 Sep - 07 Sep	China Eastern
23 Sep - 30 Sep	Thai AirAsia
04 Sep - 07 Sep	HK Express
17 Sep - 25 Sep	HK Express
12 Sep - 16 Sep	Thai VietJet Air
09 Sep - 12 Sep	HK Express
30 Sep - 04 Oct	Thai AirAsia
24 Sep - 01 Oct	HK Express
20 Sep - 23 Sep	HK Express
30 Sep - 20 Oct	Thai AirAsia
22 Sep - 28 Sep	T'way Air
06 Sep - 08 Sep	Thai AirAsia
30 Sep - 18 Oct	Thai AirAsia
13 Sep - 15 Sep	Thai AirAsia
30 Sep - 08 Oct	Thai AirAsia
30 Sep - 03 Oct	Thai AirAsia
30 Sep - 15 Oct	Thai AirAsia
30 Sep - 10 Oct	Thai AirAsia
30 Sep - 01 Oct	Thai AirAsia
30 Sep - 13 Oct	Thai AirAsia

Also check the deals for one-way flights from Okinawa to Singapore in September.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Okinawa to Singapore in September from $366

Return flights